How to Find the Years of Different Calendars with respect to Gregorian Calendar

The Modern Gregorian Calendar was proposed by a physician Aloysius Lilius from Naples, and was introduced by Pope Gregory XIII, in 1582 A.D. 

Wikimedia Commons by Helgi Halldorsson  

At present the Gregorian Calendar shows the year 2015 A.D. 

It is also known as the Western calendar or the Christian calendar and is the most widely used civil calendar throughout the world. 

The present respective years of the following calendars could be found by adding the negative signs and or subtracting the positive signs against each of them individually with Georgian Calendar year 2015.

Without the plus or minus signs each shows the year of the beginning each calendar or the year when they were introduced.   

Bengali San + 593 A.D.

Caitradi Vikram Samvat – 57 BC

Chalukya Vikrama Samvat + 1075 A.D.

Dakshini Phasali san + 590 A.D.

Gangeya Samvat + 570 A.D.

Gupta Samvat + 320 A.D.

Harsha Samvat + 606 A.D.

Hizari San + 634 A.D.

Ilahi San + 1555 A.D.

Julian - 45 B.C.

Kalachuri samvat   + 248 A.D.

Kaliyuga Samvat – 3101- 3100 BC.

Kollam Samvat + 824 A.D.

Lakshmana Sena Samvat + 1118 A.D.

Magi San + 638 A.D.

Maurya Samvat – 320 BC.

Newar Samvat + 878 A.D.

Rajyabhishek Samvat + 1674 A.D.

Shahur san  +  599 A.D.

Shaka Samvat + 78 A.D.

Uttari Phasali San + 592 A.D.

Vira Nirvana Samvat – 487 BC